Hey everyone! I just got my first gretsch and have a question regarding the pickups. It's a pre fmic gretsch with the ceramic filtertrons. The bass strings were a bit boomy through my amp so I raised the pole screws on the treble side and lowerd the bass side to even things out. It sounds way better and I was quite surprised to find that raising/lowering the pole screws really impacts the sound that much. My question is this: a few of the poles on the treble side I can see a few threads from the screw. Previously I only was able to see the head of the screw, no threads. I'm just going by ear here and it sounds good to me so far. Is it generally accepted that there is a certain height that you shouldn't exceed on the filtertron pole screws? Can you keep raising them until threads are really showing or would I see diminishing returns here? Just trying to save some time doing trial and error since the pickups themselves can't be adjusted. Thanks!